Free Online HTML Viewer & Live Preview Tool
Test your HTML, CSS, and JavaScript code instantly. Perfect for Blogger widgets, website snippets, and front-end UI testing.
What is this tool?
A fast, free online HTML viewer designed for developers and bloggers. It acts as a live code sandbox where you can safely test HTML snippets, styling (CSS), and scripts (JavaScript) before publishing them to your website.
How to use the HTML Tester
- Paste your raw HTML code into the dark editor pane.
- The live preview window updates automatically as you type.
- Use the Templates dropdown for quick boilerplate code.
- Need more advanced features? Try our Pro HTML Editor.
Privacy & Security
Everything runs directly in your browser using a secure sandboxed iframe. Your code is never uploaded to any server, making this HTML previewer 100% private and safe for testing sensitive code structures.
Frequently Asked Questions (FAQ)
Does this HTML Viewer support inline CSS and JavaScript?
Yes. You can write your <style> and <script> tags directly within the HTML document. The code sandbox will process and render both perfectly in real-time.
Can I test Blogger widgets and templates here?
Absolutely. If you have a custom HTML/JavaScript gadget or widget you want to add to your Blogger sidebar, you can paste the code here first to see exactly how it will look without risking your live blog layout.
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